LVDS_VSYNC_POLARITY 133 drivers/gpu/drm/i915/display/intel_lvds.c if (tmp & LVDS_VSYNC_POLARITY) LVDS_VSYNC_POLARITY 296 drivers/gpu/drm/i915/display/intel_lvds.c temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); LVDS_VSYNC_POLARITY 300 drivers/gpu/drm/i915/display/intel_lvds.c temp |= LVDS_VSYNC_POLARITY;